"Shrinking in a corner, pressed into the wall; do they know I'm present at all? Is there a written rule book, that tells you how to be? All the right things to talk about, that everyone has but me?" -Wallflower, Lang Leav

Shiota Nagisa wakes up in a world where 80% of the population are born with a special ability called a "quirk" and after meeting the aspiring hero, Midoriya Izuku, he soon discovers he now has one of his own! What's more, there's a powerful assassin who wants to wipe out all heroes! Can Nagisa and Izuku save both their comrades and their worlds? [MHA x AC crossover story]

It had been little over week since the graduation ceremony, when Nagisa wakes up middle of a forest. He tries to get back home, but notices soon he is lost. Really lost. Story is about assassin prodigy trying to get back home while being hunted down by the government and underground heroes alike, while trying to stay right side of justice.

Dans la société actuelle où quatre-vingts pour cent de la population mondiale a des Alters, chaque personne a grandi en connaissant les Héros et les Vilains. Cependant, il y avait une autre occupation qui était souvent négligée : les Assassins. Si Héros et Vilain sont les deux faces d'une même pièce, alors les Assassins sont le bord de cette pièce.

Nagasi is a young boy with no idea of what to do in his life. But after being saved by an Assassin he is inspired to become one. During his high school year, he and his classmates are being trained by a vicious creature name Koro. Now is up to Nagasi and his classmates show that they are respectful people in this world where heroes are worships as savior. (Explanation inside)

When a joint class project in U.A that could not go wrong does go wrong ...

Hey, It's my first fanfic in English and I don't know what write here, so yah... cof cof After Karasuma send karma and Nagisa to a mission, the blunette and the red one are missing out and don't know where they are and how they Go home I hope you like. bye honey

Denki Kaminari is an orphan living with one of his best friends, desiring to be an incredible hero like the hero Shazam in Kyoto. He will soon get his chance after an incident at the Hatsume Weapons Industry. But when one gets power, they also must learn an important lesson. (Will include AssClass characters later in the story)

10 theoretical duels between characters of the two animes. Was a reply to a commenter

During a class exchange between UA Class 1-A and Kunugigaoka High Class 3-E, Deku and Nagisa have a heart-to-heart about whether Nagisa should become an Assassin.

我的英雄学院原女向 CP：轰焦冻&边里茜 Todoroki Shoto & Hotori Akane

Izuku made it through his third year at Aldera. He graduated, both from his middle school and from the Assassination Classroom. Now, he has new problems to deal with. New classmates, new teachers, and a whole new type of weird that comes with studying at Japan's top hero school while also trying to hide state secrets. (Part 19 of Open Doors)

Nagisa vs Shoto. Hero vs Assassin. I don't know why I wrote this. Please enjoy.

It's USJ, and the kids want to know what happened to their daddy, who looks more like a mummy than their father, and why he's so hurt. (Third in the ACxBNHA verse) (Rated T just in case)

Wherein the assassins-turned-children meet Iida Tenya. (Second in the ACxBNHA verse)

Karma, Nagisa, and Sugino get reincarnated in the BNHA universe 6 years before the start of cannon. A year before the start of cannon, Aizawa Shouta stumbles upon their small town and sees three kids who are inseparable and need saving. So what does he do? He saves them. (First in ACxBNHA verse)

During the League's attack on the USJ, some experimental tech malfunctions and sends our heroes to Okinawa Island, Japan, where they meet 3-E. With no way to get home, they join the class and the mission to kill Korosensei. The villains aren't far behind our heroes with the goal of killing All Might still in mind.

A government recommendation for the Hero Course, of a whole class. What now?

After Nagisa and Karma are sent to the BNHA world, they find they've developed Quirks! Now they must learn about their new powers and learn to use them properly at U.A. High School. Mostly a comedic story centered around them having no clue how to use their own Quirks, discovering what they can do, and adjusting to the new changes.

Izuku Midoriya and Nagisa Shiota are first year students in U.A.'s General Education Class 1-D. No one knew their secrets (except Principal Nezu), and both boys want it to remain that way... even if they somehow make it to the hero path.

The skies of two worlds have been red causing a girl to mysterious go from one world to the other creating a new set of problems as two groups of heroes clash under the crimsons skies while something terrifying plots destruction! Written for the fifth anniversary of Assassination Classroom Heroics, enjoy

One hundred and twenty years ago, a Quirkless warrior helped fight against a certain villain. While he died in the battle, the warrior was able to deal a blow that forced him into hiding. Now, Nagisa is preparing to finish what his ancestor started. Meanwhile, his best friend, Izuku Midoriya, is getting ready to become the first Quirkless Hero. How will they fare in trials ahead?

"There are three main types of undercover heroes - vigilante-like, undercover, and assassins." "UA really was quite something. The sprawling campus and the large glass building made their tiny wooden building look like a decrepit shack - which, essentially, is what it was." It is time for Korosensei's annual trip to UA High School! Two-shot.

This is what would happen if Nagisa, Karma, and the teachers were thrown into the world of BNHA. Contains BL and cursing. The image is not mine. OP Nagisa.

This takes place in an AU I created where Nagisa Shiota was paralyzed at the age of 11 due to his mother and was experimented on with antimatter in order to restore movement in his legs. He's frozen in a cryogenic chamber and trapped for over 900 years, and when he thaws out he learns that everyone he loved is dead and now the world has gained quirks (MHA x Assassination Classroom)